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SyntaxHighlighter: Add QTC_USE_THREADED_HIGHLIGHTER env variable

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QTC_USE_THREADED_HIGHLIGHTER allows to opt-in or out threaded
highlighter. It is on by default.

Change-Id: I3e84f6f80101db5869a45c84cf1e8a8196c02be8
Reviewed-by: hjk <hjk@qt.io>
This commit is contained in:
Artem Sokolovskii
2023-12-15 10:29:09 +01:00
parent 4de2ec6bb7
commit 508a961c1c
1 changed files with 4 additions and 1 deletions
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5
src/plugins/texteditor/textdocument.cpp
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@@ -25,6 +25,7 @@
#include <extensionsystem/pluginmanager.h>
#include <utils/environment.h>
#include <utils/guard.h>
#include <utils/mimeutils.h>
#include <utils/qtcassert.h>
@@ -908,7 +909,9 @@ void TextDocument::resetSyntaxHighlighter(const std::function<SyntaxHighlighter
if (d->m_highlighterRunner)
delete d->m_highlighterRunner;
if (threaded) {
static const QString value
= qtcEnvironmentVariable("QTC_USE_THREADED_HIGHLIGHTER", "TRUE").toUpper();
if (threaded && value == QLatin1String("TRUE")) {
d->m_highlighterRunner = new ThreadedSyntaxHighlighterRunner(creator, document());
return;
}